On , Warren Young wrote: > On 1/15/2014 00:56, Ku Wei Xiong wrote: >> >> How to set up timing if NTP was block by ISP? > > Perhaps your ISP is just blocking NTP servers outside your country. > > I believe the telephone number you gave in your signature terminates in > Thailand, so try using th.pool.ntp.org. That domain name will resolve > to an IP that is in Thailand. > > If my guess about your country is wrong, the same advice applies, > except > that you will of course need to seek out a different section of the NTP > pool: > > http://www.pool.ntp.org/ > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos In addition to this, have you tried a google search for NTP servers that possible run on other ports. I mention this in case your ISP is truly blocking all NTP traffic. -- Thanks, Doug Maske